That emission, sent to the circulation May 6, 2013, if it
even contains only the denomination of 50 pesos, can be considered as an
emission different from the previous one and for that reason begins again by
series A.

The process of replacement of the 50 pesos banknote will be
progressive waiting their withdraw from circulation because of their
deterioration degree.

Throughout the emission, the letters "I" and
"O" are not used in the series and subseries in order to avoid the
confusion with the digits 1 and 0.